Average humidity in Kelso (WA)
The mean monthly relative humidity over the year in Kelso (Washington State), the United States of America.
* Data from: Portland, the United States of America (64 KM, 40 Miles).
- On average, December is the most humid month, at 83.0%.
- On average, July is the least humid month, at 63.0%.
- The average annual percentage of humidity is 73%.
Forecast for Kelso (WA)
Sat Sep 28
20°C | 10°C
N 
14 km/h
14 km/h
partly cloudy and no rain
Sun Sep 29
19°C | 8°C
NW 14 km/h
14 km/h
broken clouds and no rain
Mon Sep 30
22°C | 6°C
N 14 km/h
14 km/h
partly cloudy and no rain
